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Standardized Plant Extracts

Milk Thistle Extract

Silymarin standardized to 80% (UV) / 30%–60% (HPLC) from Silybum marianum seed.

Chemical identity

CAS Number
65666-07-1
Appearance
Yellow to brownish-yellow powder
Digestive & Gut Health
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Botanical Source

Botanical nameSilybum marianum (L.) Gaertn.
Common nameMilk thistle
Part usedDried ripe fruit (seed)
Extraction methodSolvent extraction (acetone / ethanol / ethyl acetate)

Available Grades

Silymarin 80% (UV)
≥80%
Tested by UV
Silymarin 40-60% (HPLC)
40% – 60%
Tested by HPLC

Technical Specifications

Silymarin (UV)≥80% · UV
Silybin (HPLC)30% – 60% (customizable) · HPLC
Botanical SourceSilybum marianum dried fruit · HPLC / TLC
AppearanceYellow to brownish-yellow powder · Visual Inspection
Loss on Drying≤5.0% · USP <731>
Heavy MetalsPb≤2ppm, As≤1ppm, Cd≤0.5ppm, Hg≤0.1ppm · ICP-MS
Total Plate Count≤1000 cfu/g · Microbiological Test
Shelf Life24 months (cool, dry, dark, sealed) · Stability Test

Full batch-specific COA available on request.

Commercial Terms

MOQ
1 kg
Lead time
7-15 business days
Shelf life
24 months (under recommended storage)
Sample
On request
Packaging
25 kg fiber drum; custom packaging on request
Storage
Sealed, stored in a cool, dry place, protected from light.

Applications & Formulation Notes

Overview

Milk Thistle Extract is produced from the dried ripe fruit (seed) of Silybum marianum (L.) Gaertn. Its principal constituents are the silymarin flavonolignan complex (including silybin, silydianin and silychristin).

GreeneryBio supplies it as a yellow to brownish-yellow powder, standardized to 80% silymarin (UV).

Applications

  • Dietary supplements — liver-care category capsules and tablets.
  • Functional foods — standardized botanical ingredient.

Why GreeneryBio

UV and HPLC standardization, consistent silymarin content, and full documentation (COA / TDS / MSDS on request) with customizable specifications and packaging.

Documents available

Documents are issued batch-specifically for ingredient evaluation and qualification. Request the set you need for your formulation.

Request batch-specific documents
ISO 9001ISO 22000

OEM & One-stop Service

Custom formulation, dosage-form development (capsule / tablet / softgel / gummy / sachet), private-label and contract manufacturing.

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For B2B formulation and manufacturing use only. Information is provided for ingredient evaluation and does not constitute consumer health or disease claims.